/Engine/Source/Runtime/Core/Public/Math/Quat.h
Calculate tangents between given points
static void CalcTangents ( const [TQuat](API\Runtime\Core\Math\TQuat)< T > & PrevP, const [TQuat](API\Runtime\Core\Math\TQuat)< T > & P, const [TQuat](API\Runtime\Core\Math\TQuat)< T > & NextP, T Tension, [TQuat](API\Runtime\Core\Math\TQuat)< T > & OutTan )